import { padStart } from 'lodash'

/**
 * @description 格式化时间
 * @param time
 * @param cFormat
 * @returns {string|null}
 */
export function parseTime(time, cFormat) {
  if (arguments.length === 0) {
    return null
  }
  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if (typeof time === 'string' && /^[0-9]+$/.test(time)) {
      time = parseInt(time)
    }
    if (typeof time === 'number' && time.toString().length === 10) {
      time = time * 1000
    }
    date = new Date(time)
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay(),
  }
  return format.replace(/{([ymdhisa])+}/g, (result, key) => {
    let value = formatObj[key]
    if (key === 'a') {
      return ['日', '一', '二', '三', '四', '五', '六'][value]
    }
    if (result.length > 0 && value < 10) {
      value = '0' + value
    }
    return value || 0
  })
}

/**
 * @description 格式化时间
 * @param time
 * @param option
 * @returns {string}
 */
export function formatTime(time, option) {
  if (('' + time).length === 10) {
    time = parseInt(time) * 1000
  } else {
    time = +time
  }
  const d = new Date(time)
  const now = Date.now()

  const diff = (now - d) / 1000

  if (diff < 30) {
    return '刚刚'
  } else if (diff < 3600) {
    // less 1 hour
    return Math.ceil(diff / 60) + '分钟前'
  } else if (diff < 3600 * 24) {
    return Math.ceil(diff / 3600) + '小时前'
  } else if (diff < 3600 * 24 * 2) {
    return '1天前'
  }
  if (option) {
    return parseTime(time, option)
  } else {
    return (
      d.getMonth() +
      1 +
      '月' +
      d.getDate() +
      '日' +
      d.getHours() +
      '时' +
      d.getMinutes() +
      '分'
    )
  }
}

/**
 * @description 将url请求参数转为json格式
 * @param url
 * @returns {{}|any}
 */
export function paramObj(url) {
  const search = url.split('?')[1]
  if (!search) {
    return {}
  }
  return JSON.parse(
    '{"' +
      decodeURIComponent(search)
        .replace(/"/g, '\\"')
        .replace(/&/g, '","')
        .replace(/=/g, '":"')
        .replace(/\+/g, ' ') +
      '"}'
  )
}

/**
 * @description 父子关系的数组转换成树形结构数据
 * @param data
 * @returns {*}
 */
export function translateDataToTree(data) {
  const parent = data.filter(
    (value) => value.parentId === 'undefined' || value.parentId === null
  )
  const children = data.filter(
    (value) => value.parentId !== 'undefined' && value.parentId !== null
  )
  const translator = (parent, children) => {
    parent.forEach((parent) => {
      children.forEach((current, index) => {
        if (current.parentId === parent.id) {
          const temp = JSON.parse(JSON.stringify(children))
          temp.splice(index, 1)
          translator([current], temp)
          typeof parent.children !== 'undefined'
            ? parent.children.push(current)
            : (parent.children = [current])
        }
      })
    })
  }
  translator(parent, children)
  return parent
}

/**
 * @description 树形结构数据转换成父子关系的数组
 * @param data
 * @returns {[]}
 */
export function translateTreeToData(data) {
  const result = []
  data.forEach((item) => {
    const loop = (data) => {
      result.push({
        id: data.id,
        name: data.name,
        parentId: data.parentId,
      })
      const child = data.children
      if (child) {
        for (let i = 0; i < child.length; i++) {
          loop(child[i])
        }
      }
    }
    loop(item)
  })
  return result
}

/**
 * @description 10位时间戳转换
 * @param time
 * @returns {string}
 */
export function tenBitTimestamp(time) {
  const date = new Date(time * 1000)
  const y = date.getFullYear()
  let m = date.getMonth() + 1
  m = m < 10 ? '' + m : m
  let d = date.getDate()
  d = d < 10 ? '' + d : d
  let h = date.getHours()
  h = h < 10 ? '0' + h : h
  let minute = date.getMinutes()
  let second = date.getSeconds()
  minute = minute < 10 ? '0' + minute : minute
  second = second < 10 ? '0' + second : second
  return y + '年' + m + '月' + d + '日 ' + h + ':' + minute + ':' + second //组合
}

/**
 * @description 13位时间戳转换
 * @param time
 * @returns {string}
 */
export function thirteenBitTimestamp(time) {
  const date = new Date(time / 1)
  const y = date.getFullYear()
  let m = date.getMonth() + 1
  m = m < 10 ? '' + m : m
  let d = date.getDate()
  d = d < 10 ? '' + d : d
  let h = date.getHours()
  h = h < 10 ? '0' + h : h
  let minute = date.getMinutes()
  let second = date.getSeconds()
  minute = minute < 10 ? '0' + minute : minute
  second = second < 10 ? '0' + second : second
  return y + '年' + m + '月' + d + '日 ' + h + ':' + minute + ':' + second //组合
}

/**
 * @description 获取随机id
 * @param length
 * @returns {string}
 */
export function uuid(length = 32) {
  const num = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890'
  let str = ''
  for (let i = 0; i < length; i++) {
    str += num.charAt(Math.floor(Math.random() * num.length))
  }
  return str
}

/**
 * @description m到n的随机数
 * @param m
 * @param n
 * @returns {number}
 */
export function random(m, n) {
  return Math.floor(Math.random() * (m - n) + n)
}

/**
 * @description addEventListener
 * @type {function(...[*]=)}
 */
export const on = (function () {
  return function (element, event, handler, useCapture = false) {
    if (element && event && handler) {
      element.addEventListener(event, handler, useCapture)
    }
  }
})()

/**
 * @description removeEventListener
 * @type {function(...[*]=)}
 */
export const off = (function () {
  return function (element, event, handler, useCapture = false) {
    if (element && event) {
      element.removeEventListener(event, handler, useCapture)
    }
  }
})()

/**
 * @description 数组打乱
 * @param array
 * @returns {*}
 */
export function shuffle(array) {
  let m = array.length,
    t,
    i
  while (m) {
    i = Math.floor(Math.random() * m--)
    t = array[m]
    array[m] = array[i]
    array[i] = t
  }
  return array
}

export function deepClone(obj) {
  return JSON.parse(JSON.stringify(obj))
}

export function getDiffDays(sDate1, sDate2) {
  var dateSpan, iDays
  sDate1 = Date.parse(sDate1)
  sDate2 = sDate2 ? Date.parse(sDate2) : Date.parse(new Date())
  dateSpan = sDate1 - sDate2
  // dateSpan = Math.abs(dateSpan)
  iDays = (dateSpan / (24 * 3600 * 1000)).toFixed(1)
  return iDays
}

export function sum(arr) {
  return arr.reduce(function (prev, curr) {
    return prev + curr
  }, 0)
}

export function getAge(birthday) {
  const birth = Number(birthday.substr(0, 4))
  const year = new Date().getFullYear()
  return year - birth
}

/**
 * 去除对象中值为null、undefined、''的字段
 * @param {*} obj
 * @returns
 */
export function removeEmptyField(obj) {
  var newObj = {}
  if (typeof obj === 'string') {
    obj = JSON.parse(obj)
  }
  if (obj instanceof Array) {
    newObj = []
  }
  if (obj instanceof Object) {
    for (var attr in obj) {
      if (
        Object.prototype.hasOwnProperty.call(obj, attr) &&
        obj[attr] !== '' &&
        obj[attr] !== null &&
        obj[attr] !== undefined
      ) {
        if (obj[attr] instanceof Object) {
          newObj[attr] = removeEmptyField(obj[attr])
        } else if (
          typeof obj[attr] === 'string' &&
          ((obj[attr].indexOf('{') > -1 && obj[attr].indexOf('}') > -1) ||
            (obj[attr].indexOf('[') > -1 && obj[attr].indexOf(']') > -1))
        ) {
          try {
            var attrObj = JSON.parse(obj[attr])
            if (attrObj instanceof Object) {
              newObj[attr] = removeEmptyField(attrObj)
            }
          } catch (e) {
            newObj[attr] = obj[attr]
          }
        } else {
          newObj[attr] = obj[attr]
        }
      }
    }
  }
  return newObj
}

export function assignFormByFields(form, fields) {
  let res = {}
  fields.forEach((item) => {
    if (form[item] === undefined) {
      form[item] = ''
    }
    res[item] = form[item]
  })
  return res
}

export function setLocalStorage(key, value) {
  if (value) {
    localStorage.setItem(key, JSON.stringify(value))
  }
}

export function getLocalStorage(key, initValue) {
  if (localStorage.getItem(key)) {
    try {
      return JSON.parse(localStorage.getItem(key))
    } catch (err) {
      return ''
    }
  }
  return initValue || ''
}

export function formatDatetime(dd) {
  const m = dd.getMonth() + 1
  const d = padStart(dd.getDate(), 2, 0)
  const y = dd.getFullYear()
  const h = padStart(dd.getHours(), 2, 0)
  const i = padStart(dd.getMinutes(), 2, 0)
  const s = padStart(dd.getSeconds(), 2, 0)
  return [y, m, d].join('-') + ' ' + [h, i, s].join(':')
}

export function getCurrentTime() {
  const dd = new Date()
  return formatDatetime(dd)
}

export function getNextTime(date, day = 14) {
  const dd = new Date(date)
  dd.setDate(dd.getDate() + day)
  return formatDatetime(dd)
}

export function padEnd(str, n, number = 0) {
  return (str + Array(n).join(number)).slice(number, n)
}

export function convertArr2Obj(arr, key) {
  return arr.reduce((obj, v) => {
    obj[v[key]] = v
    return obj
  }, {})
}

export function convertArr2Objs(arr, key) {
  return arr.reduce((obj, v) => {
    if (obj[v[key]]) {
      obj[v[key]].push(v)
    } else {
      obj[v[key]] = [v]
    }
    return obj
  }, {})
}

export function computeDate(times, type, days, hours, minutes, seconds) {
  // 全部需要减掉的时间戳
  let time = new Date(times).getTime()
  switch (type) {
    case 'add':
      time +=
        days * 24 * 60 * 60 * 1000 +
        hours * 60 * 60 * 1000 +
        minutes * 60 * 1000 +
        seconds * 1000
      break
    case 'minus':
      time -=
        days * 24 * 60 * 60 * 1000 +
        hours * 60 * 60 * 1000 +
        minutes * 60 * 1000 +
        seconds * 1000
      break
  }
  // 转换时间戳格式
  const dd = new Date(time)
  dd.setHours(dd.getHours() + dd.getTimezoneOffset() / 60)
  return formatDatetime(dd)
}

// 根据血型码解析血型和RHD
export function parseAboRhdByCode(code, aboDictObj) {
  const res = aboDictObj[code] || {}
  return {
    abo: res.abo || '',
    rhd: res.rhd || '',
  }
}

// 根据血液成分码解析血液成分
export function parseProductByCode(code, dictSProduct, dictProduct) {
  code =
    code.substr(0, 5).replace('P', '').replace('V', '').padStart(5, 'P') + 'V00'
  const blood_component_name = dictProduct[code] || ''
  const res = []
  if (blood_component_name) {
    const cat = blood_component_name.cat_name
    const name = blood_component_name.name
    dictSProduct = dictSProduct.filter((val) => {
      return val.name === cat
    })
    const bloodComponentCat = dictSProduct[0]
    const bloodComponentChildren = bloodComponentCat['children'] || []
    const bloodComponentChildrenObj = convertArr2Obj(
      bloodComponentChildren,
      'name'
    )
    if (bloodComponentCat) {
      res.push(bloodComponentCat.id)
    }
    if (bloodComponentChildrenObj[name]) {
      res.push(bloodComponentChildrenObj[name].id)
    }
  }
  return res
}

// 根据血液失效期码解析血液失效期
export function parseInvalidTimeByCode(code) {
  if (code) {
    const starttime = ['20' + code.substr(1, 2), '01', '01'].join('-')
    const days = +code.substr(3, 3) - 1
    const hours = +code.substr(6, 2)
    const minutes = +code.substr(8, 2)
    const res = computeDate(starttime, 'add', days, hours, minutes, 0)
    return res
  }
  return ''
}

export function getExamAttr(examsObj, item) {
  const codes = item.codes.split(',')
  let result = null
  codes.forEach((val) => {
    if (examsObj[val]) {
      result = examsObj[val]
    }
  })

  let className = ''
  if (result) {
    let sign = ''
    if (result.sign) {
      const map = {
        H: '↑',
        L: '↓',
        A: '*',
      }

      sign = map[result.sign] || '*'
      if (sign !== '*') {
        className = 'font-bold color-danger'
      }
    }

    return {
      value: result.value + ' ' + (result.unit || '') + ' ' + sign,
      className: className,
    }
  }

  return {
    value: '',
    className: '',
  }
}
